diff options
| -rw-r--r-- | Python/compile.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/Python/compile.c b/Python/compile.c index dd58aa6..f90f82c 100644 --- a/Python/compile.c +++ b/Python/compile.c @@ -570,7 +570,13 @@ try_set_conversion(unsigned char *codestr, PyObject *consts) return 0; } - /* Append new constant onto consts list.*/ + /* Append new constant onto consts list or replace existing constant + if there are no other references to it.*/ + if (constant->ob_refcnt == 1) { + PyList_SET_ITEM(consts, arg, newconst); + Py_DECREF(constant); + return 1; + } len_consts = PyList_GET_SIZE(consts); if (PyList_Append(consts, newconst)) { Py_DECREF(newconst); |